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1.发明授权Perpendicular magnetic recording media with magnetic anisotropy gradient and local exchange coupling 有权具有磁各向异性梯度和局部交换耦合的垂直磁记录介质公开(公告)号：US08962164B2
公开(公告)日：2015-02-24
申请号：US13960609
申请日：2013-08-06
发明人： Shaoping Li , Kaizhong Gao , Lei Wang , Wenzhong Zhu , Xiaobin Wang
CPC分类号： G11B5/667 , B82Y10/00 , G11B5/64 , G11B5/65 , G11B5/656 , G11B5/66 , G11B5/743 , G11B5/746 , G11B5/82 , G11B2005/0029 , H01F41/0206 , Y10S428/90 , Y10T29/4902 , Y10T29/49032 , Y10T29/49067 , Y10T428/12458 , Y10T428/12465 , Y10T428/12931 , Y10T428/26 , Y10T428/265
摘要： A perpendicular magnetic recording medium adapted for high recording density and high data recording rate comprises a non-magnetic substrate having at least one surface with a layer stack formed thereon, the layer stack including a perpendicular recording layer containing a plurality of columnar-shaped magnetic grains extending perpendicularly to the substrate surface for a length, with a first end distal the surface and a second end proximal the surface, wherein each of the magnetic grains has: (1) a gradient of perpendicular magnetic anisotropy field Hk extending along its length between the first end and second ends; and (2) predetermined local exchange coupling strengths along the length.
摘要翻译： 适用于高记录密度和高数据记录速率的垂直磁记录介质包括具有至少一个具有在其上形成层叠层的表面的非磁性基板，该层堆叠包括垂直记录层，该垂直记录层包含多个柱状磁性颗粒 垂直于衬底表面延伸一段长度，第一端远离表面，接近表面的第二端，其中每个磁性颗粒具有：（1）垂直磁各向异性场Hk沿其长度延伸的梯度 第一端和第二端; 和（2）沿着长度的预定局部交换耦合强度。
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2.发明授权Perpendicular magnetic recording media with magnetic anisotropy gradient and local exchange coupling 有权具有磁各向异性梯度和局部交换耦合的垂直磁记录介质公开(公告)号：US09548074B2
公开(公告)日：2017-01-17
申请号：US14629781
申请日：2015-02-24
发明人： Shaoping Li , Kaizhong Gao , Lei Wang , Wenzhong Zhu , Xiaobin Wang
IPC分类号： G11B5/64 , G11B5/667 , B82Y10/00 , G11B5/74 , G11B5/82 , G11B5/66 , H01F41/02 , G11B5/65 , G11B5/00
CPC分类号： G11B5/667 , B82Y10/00 , G11B5/64 , G11B5/65 , G11B5/656 , G11B5/66 , G11B5/743 , G11B5/746 , G11B5/82 , G11B2005/0029 , H01F41/0206 , Y10S428/90 , Y10T29/4902 , Y10T29/49032 , Y10T29/49067 , Y10T428/12458 , Y10T428/12465 , Y10T428/12931 , Y10T428/26 , Y10T428/265
摘要： A perpendicular magnetic recording medium adapted for high recording density and high data recording rate comprises a non-magnetic substrate having at least one surface with a layer stack formed thereon, the layer stack including a perpendicular recording layer containing a plurality of columnar-shaped magnetic grains extending perpendicularly to the substrate surface for a length, with a first end distal the surface and a second end proximal the surface, wherein each of the magnetic grains has: (1) a gradient of perpendicular magnetic coercivity Hk extending along its length between the first end and second ends; and (2) predetermined local exchange coupling strengths along the length.
摘要翻译： 适用于高记录密度和高数据记录速率的垂直磁记录介质包括具有至少一个具有在其上形成层叠层的表面的非磁性基板，该层堆叠包括垂直记录层，该垂直记录层包含多个柱状磁性颗粒 垂直于衬底表面延伸一段长度，第一端远离表面，靠近表面的第二端，其中每个磁性颗粒具有：（1）垂直磁矫顽力Hk沿其长度在第一 末端和末端; 和（2）沿着长度的预定局部交换耦合强度。
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3.发明申请Perpendicular Magnetic Recording Media with Magnetic Anisotropy Gradient and Local Exchange Coupling 审中-公开具有磁各向异性梯度和局部交换耦合的垂直磁记录介质公开(公告)号：US20150170697A1
公开(公告)日：2015-06-18
申请号：US14629781
申请日：2015-02-24
发明人： Shaoping Li , Kaizhong Gao , Lei Wang , Wenzhong Zhu , Xiaobin Wang
CPC分类号： G11B5/667 , B82Y10/00 , G11B5/64 , G11B5/65 , G11B5/656 , G11B5/66 , G11B5/743 , G11B5/746 , G11B5/82 , G11B2005/0029 , H01F41/0206 , Y10S428/90 , Y10T29/4902 , Y10T29/49032 , Y10T29/49067 , Y10T428/12458 , Y10T428/12465 , Y10T428/12931 , Y10T428/26 , Y10T428/265
摘要： A perpendicular magnetic recording medium adapted for high recording density and high data recording rate comprises a non-magnetic substrate having at least one surface with a layer stack formed thereon, the layer stack including a perpendicular recording layer containing a plurality of columnar-shaped magnetic grains extending perpendicularly to the substrate surface for a length, with a first end distal the surface and a second end proximal the surface, wherein each of the magnetic grains has: (1) a gradient of perpendicular magnetic coercivity Hk extending along its length between the first end and second ends; and (2) predetermined local exchange coupling strengths along the length.
摘要翻译： 适用于高记录密度和高数据记录速率的垂直磁记录介质包括具有至少一个具有在其上形成层叠层的表面的非磁性基板，该层堆叠包括垂直记录层，该垂直记录层包含多个柱状磁性颗粒 垂直于衬底表面延伸一段长度，第一端远离表面，靠近表面的第二端，其中每个磁性颗粒具有：（1）垂直磁矫顽力Hk沿其长度延伸的梯度 末端和末端; 和（2）沿着长度的预定局部交换耦合强度。
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4.发明申请Perpendicular Magnetic Recording Media with Magnetic Anisotropy Gradient and Local Exchange Coupling 有权具有磁各向异性梯度和局部交换耦合的垂直磁记录介质公开(公告)号：US20140011053A1
公开(公告)日：2014-01-09
申请号：US13960609
申请日：2013-08-06
发明人： Shaoping Li , Kaizhong Gao , Lei Wang , Wenzhong Zhu , Xiaobin Wang
IPC分类号： G11B5/66
CPC分类号： G11B5/667 , B82Y10/00 , G11B5/64 , G11B5/65 , G11B5/656 , G11B5/66 , G11B5/743 , G11B5/746 , G11B5/82 , G11B2005/0029 , H01F41/0206 , Y10S428/90 , Y10T29/4902 , Y10T29/49032 , Y10T29/49067 , Y10T428/12458 , Y10T428/12465 , Y10T428/12931 , Y10T428/26 , Y10T428/265
摘要： A perpendicular magnetic recording medium adapted for high recording density and high data recording rate comprises a non-magnetic substrate having at least one surface with a layer stack formed thereon, the layer stack including a perpendicular recording layer containing a plurality of columnar-shaped magnetic grains extending perpendicularly to the substrate surface for a length, with a first end distal the surface and a second end proximal the surface, wherein each of the magnetic grains has: (1) a gradient of perpendicular magnetic anisotropy field Hk extending along its length between the first end and second ends; and (2) predetermined local exchange coupling strengths along the length.
摘要翻译： 适用于高记录密度和高数据记录速率的垂直磁记录介质包括具有至少一个具有在其上形成层叠层的表面的非磁性基板，该层堆叠包括垂直记录层，该垂直记录层包含多个柱状磁性颗粒 垂直于衬底表面延伸一段长度，第一端远离表面，接近表面的第二端，其中每个磁性颗粒具有：（1）垂直磁各向异性场Hk沿其长度延伸的梯度 第一端和第二端; 和（2）沿着长度的预定局部交换耦合强度。
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